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Egg?


CreekCrawler

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Ok I'll bite ID this for me please. post-417-1209517487_thumb.jpg Found in Brewster County Tx, I think it's a fossilized egg, but some of my friends suggested that I get a better educated guesser in on this.

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Sorry, its not an egg. That appears to be a siderite nodule.

Fossil dinosaur eggs are extremely rare, and are only found in a few places on earth. The cretaceous of Montana is one example (e.g. Maiasaura, Hypacrosaurus stebingeri, etc.). Even in Montana, only a few localities have ever produced eggs, and most are from the Two Medicine Formation. In fact, the majority of dinosaur eggs from north america are from just these localities.

Sorry! The best bet for dino eggs in Texas is probably the Javelina Formation, and doing extensive microsite bulk sampling, and even then, you'd probably get one piece of eggshell per every thousand other microsite elements.

Bobby

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Ok I'll bite ID this for me please. post-417-1209517487_thumb.jpg Found in Brewster County Tx, I think it's a fossilized egg, but some of my friends suggested that I get a better educated guesser in on this.

You likely have a concretion. http://en.wikipedia.org/wiki/Concretion If there even are fossils found where you found this, you have to consider what kind of fossils. In Texas, they are likely marine, and the chances of an egg being fossilized at the bottom of an ocean doesn't seem likely.

---Wie Wasser schleift den Stein, wir steigen und fallen---

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Here's a Late Cretaceous egg from the Fox Hill formation in SD. It IS a bird egg, but I'm not ready to name it even tentatively (but the list of suspects is getting shorter).

post-423-1209519683_thumb.jpg

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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